592 



SUBJECT INDEX 



M 



Magnesium, effect on Chi and PS, 337-338, 

 383, 428, 440, 443, 448, 451, 461, 462, 

 467 



loss by Chi, 467, 493^94, 498 



as reductant for CO2, 79 

 Malic acid, biosynthesis, 209 



conversion to carbohydrates, 265 

 to citric acid, 269 



as intermediate in PS and R, 51, 224 



occurrence in plants, 250, 251, 262-269 



as plant food, 261 



PO, 267 



as reductant for bacteria, 108 

 Maltose, 41 



Manganese, effect on PS and Chi, 338-339, 

 429 



in leaves, 195 

 Mannose, 39, 46 



Mechanical injury, effect on PS, 343-344 

 Mercuric ions, inhibition of PS, 336 

 Mesomerism of chlorophyll, 442-443 

 Methane bacteria, 118-119, 120-122 

 Methanol, Chl-catalyzed oxidation, 466, 

 504, 512 



conversion to starch, 261 



occurrence in plants, 249, 251 

 Midday depression of PS, 331, 334 

 Molisch reaction (AgNOs reduction by 



chloroplasts), 254, 270-271, 360, 541 

 Moloxides, as intermediates in PS and 



PO, 156, 292, 499, 508, 511 

 Monocotyledons, absence of starch, 47 



pigments, 424 

 Monolayers and multilayers of Chi, 394, 449 

 Morphine, effect on PS, 321 

 Motile bacteria, 100 

 Myelin tubes in chloroplasts, 375-376 



N 



Narcotics, effect on formic acid synthesis, 

 208 

 on PS and R, 300, 320-324 

 stimulation of PO, 526, 528-531 

 Neutrons, effect on PS, 347 

 Nitrate, deficiency effect, 337, 339, 425, 428 

 as oxidant in CS, PR, and PS, 115, 116, 



131, 539, 540, 541 

 reduction by plants in dark, 538-539 

 sensitized reduction, 87, 538-541 

 Nitrifying bacteria, 112-113, 119 



Nitrite, formation from nitrate in plants, 

 539 

 oxidation by bacteria, 112 

 Nitrous gases, effect on plants, 317, 538 

 Nonphotochemical processes in photosyn- 

 thesis, 150-158 

 CO2 fixation, 172-212 

 reduction, 213-244 

 O2 liberation, 281-299 

 Nonsulfur purple bacteria, 110, 131 

 Nucleic acid in chloroplasts, 374 



O 



Oceans, yield of PS, 5-8 



Oil as product of PS, 34, 43, 254, 357 



Oleic acid, effect on Chi fluorescence, 392 



PO, 508, 511 

 Ombrophilic and ombrophobic plants, 403, 



409, 421, 422, 533, 535 

 Ontogenetic adaptation, 419, 422, 424-427 

 Optical activity, of Chi, 441 

 Organic hydroperoxides and peroxides, 

 energy, 291 



role in PS, 163, 286-293 

 Organic matter, origin, 82, 83 



rate of production on earth, 36-37 

 Osmotic pressure, effect on PS, 334-335 

 Over-all reaction, of CS, 112-120 



of PR, 102-106 



of PS, 31, 34, 53, 156, 158-159 

 Oxalacetic acid, biosynthesis, 209 



decarboxylation, 185 



energy, 218 



role in R, 268 

 Oxalic acid, Chl-sensitized oxidation, 512 



energy, 184 



formation in plants, 269 



as intermediate in PS, 51 



occurrence in plants, 249, 262-263 



as plant food, 201 



PO in vitro, 267 

 Oxidase, activation in algae, 135, 286 

 Oxidation, of carotenoids, 473-475 



of Chi, 456-466, 491, 503-505 



of Chi as primary process in PS, 552- 

 553, 554-557 

 Oxidation-reduction, as cause of Chi 

 bleaching, 489-493 



Chl-sensitized, 509, 512 



of Chi and solvents, 485-486, 500-501 



